Inflatable sofa



FIG. 1 is a front, top perspective view of an inflatable sofa showing my new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines shown in the drawings are for the purpose of illustrating portions of the article, and form no part of the claimed design. 

CLAIM The ornamental design for an inflatable sofa, as shown and described. 